// Copyright 2024 iLogtail Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package prometheus

import (
	"sync"

	"github.com/go-playground/validator/v10"
)

var (
	validateOnce sync.Once
	validateIns  *validator.Validate
)

func getValidate() *validator.Validate {
	validateOnce.Do(func() {
		validateIns = validator.New(validator.WithRequiredStructEnabled())
	})

	return validateIns
}
